From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE09E14A4D6 for ; Fri, 27 Sep 2024 04:57:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727413080; cv=none; b=Zi4GQxow25WgQZJjahCFFwz990OVlCIhbJXh738pm8LyYPO62xcUd8bQbyu2nkp7vMVQd8quiU2Nj5Wr9ThAcvaE5I/qHwHsxAborL4n2ZmeLPrQuFl6Ez9FHvDtlyoXei+ePTc5X2UspMDoZGa4XnqN0jKxDzuZ0x3G4JJ5wXM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727413080; c=relaxed/simple; bh=XQ7AvM39mmVA+aZ1tNdT2EM5VDU+0BgbHOj1LanpHYQ=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=hMMQuXytyHNVe8q+xg6IeZ0qGS3W9J0Gx2Jngxs5KewT1GUErvZ1lL2zvl1FB/bZaK3dZtErzKr1qmKOfLU1lIDaZSvcu47DFHTkauFf7k0Khc3FzVA63sUR5n0XqHNebCVCGFmP6yNt30OVoWTR0SQt3AprJK6NF/xfeym+jck= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=k6rdZhEN; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="k6rdZhEN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727413078; x=1758949078; h=date:from:to:cc:subject:message-id:mime-version; bh=XQ7AvM39mmVA+aZ1tNdT2EM5VDU+0BgbHOj1LanpHYQ=; b=k6rdZhENYru7kfv/XLfu8BnFq7Tq2gN+fpmXSylhyzBVUGmFnIjqcWTq Z+CavUgHxFCHeAiwzM5gp//aOktl1XktZXeCiwpkrDzP2yHWgbFcT2MMh 76iO6H0stBsuwzbWq1dETIyuSacLleWW4T4ljDH5OMCMqZHaq4ZURF5Yk 1QfeOSSzPWF8rWKFlX7GSFEn82JsojIztx3iJvmF5aU1zG/4AQ+uKlLty SFTQXATigyPnw4VWdsF3/twpDgTNZk95E20fcbiZKRLqdaVrN88wQNzWk haaaFX/kE6I3wrhDw+dSFjPvamTESPCwLMc7/Nt9gXZg9uQaMmQBab7FO Q==; X-CSE-ConnectionGUID: EEsb6YqHQTuXUQQpX3peYQ== X-CSE-MsgGUID: kv3IG+dGQWiXZfD1Z+4UFg== X-IronPort-AV: E=McAfee;i="6700,10204,11207"; a="37126754" X-IronPort-AV: E=Sophos;i="6.11,157,1725346800"; d="scan'208";a="37126754" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2024 21:57:57 -0700 X-CSE-ConnectionGUID: 9Zb3iA7jQ5qk4QtoIwFmow== X-CSE-MsgGUID: DkYPlobWSQ2WtMNOLXQDjg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,157,1725346800"; d="scan'208";a="103214637" Received: from lkp-server01.sh.intel.com (HELO 53e96f405c61) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 26 Sep 2024 21:57:56 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1su33B-000LUl-31; Fri, 27 Sep 2024 04:57:53 +0000 Date: Fri, 27 Sep 2024 12:57:34 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: drivers/misc/mrvl_cn10k_dpi.c:231 dpi_queue_init() error: uninitialized symbol 'reg'. Message-ID: <202409271221.3LDHDPch-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Vamsi Attunuru CC: Srujana Challa tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 075dbe9f6e3c21596c5245826a4ee1f1c1676eb8 commit: 5f67eef6dff39421215e9134f1eaae51b67a73b7 misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver date: 3 months ago :::::: branch date: 10 hours ago :::::: commit date: 3 months ago config: arm64-randconfig-r072-20240925 (https://download.01.org/0day-ci/archive/20240927/202409271221.3LDHDPch-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202409271221.3LDHDPch-lkp@intel.com/ smatch warnings: drivers/misc/mrvl_cn10k_dpi.c:231 dpi_queue_init() error: uninitialized symbol 'reg'. vim +/reg +231 drivers/misc/mrvl_cn10k_dpi.c 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 208 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 209 static int dpi_queue_init(struct dpipf *dpi, struct dpipf_vf *dpivf, u8 vf) 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 210 { 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 211 u16 sso_pf_func = dpivf->vf_config.sso_pf_func; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 212 u16 npa_pf_func = dpivf->vf_config.npa_pf_func; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 213 u16 csize = dpivf->vf_config.csize; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 214 u32 aura = dpivf->vf_config.aura; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 215 unsigned long timeout; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 216 u64 reg; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 217 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 218 dpi_reg_write(dpi, DPI_DMAX_QRST(vf), DPI_DMA_QRST); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 219 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 220 /* Wait for a maximum of 3 sec */ 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 221 timeout = jiffies + msecs_to_jiffies(3000); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 222 while (!time_after(jiffies, timeout)) { 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 223 reg = dpi_reg_read(dpi, DPI_DMAX_QRST(vf)); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 224 if (!(reg & DPI_DMA_QRST)) 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 225 break; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 226 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 227 /* Reset would take time for the request cache to drain */ 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 228 usleep_range(500, 1000); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 229 } 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 230 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 @231 if (reg & DPI_DMA_QRST) { 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 232 dev_err(&dpi->pdev->dev, "Queue reset failed\n"); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 233 return -EBUSY; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 234 } 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 235 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 236 dpi_reg_write(dpi, DPI_DMAX_IDS2(vf), 0); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 237 dpi_reg_write(dpi, DPI_DMAX_IDS(vf), 0); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 238 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 239 reg = DPI_DMA_IBUFF_CSIZE_CSIZE(csize) | DPI_DMA_IBUFF_CSIZE_NPA_FREE; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 240 dpi_reg_write(dpi, DPI_DMAX_IBUFF_CSIZE(vf), reg); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 241 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 242 reg = dpi_reg_read(dpi, DPI_DMAX_IDS2(vf)); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 243 reg |= DPI_DMA_IDS2_INST_AURA(aura); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 244 dpi_reg_write(dpi, DPI_DMAX_IDS2(vf), reg); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 245 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 246 reg = dpi_reg_read(dpi, DPI_DMAX_IDS(vf)); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 247 reg |= DPI_DMA_IDS_DMA_NPA_PF_FUNC(npa_pf_func); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 248 reg |= DPI_DMA_IDS_DMA_SSO_PF_FUNC(sso_pf_func); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 249 reg |= DPI_DMA_IDS_DMA_STRM(vf + 1); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 250 reg |= DPI_DMA_IDS_INST_STRM(vf + 1); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 251 dpi_reg_write(dpi, DPI_DMAX_IDS(vf), reg); 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 252 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 253 return 0; 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 254 } 5f67eef6dff3942 Vamsi Attunuru 2024-07-06 255 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki